Reply by joshw

Sorry, should have mentioned the boards between the 4×4 post would probably be something like a 2×10. It doesn’t sound like there is any way to run the router along the end grain of a long board like this. I don’t have a table saw yet but could probably pick up a used one. Another thing I thought about was using a radial saw to make cuts of varying depth and then knocking out and cleaning up the rough male end of the sliding dovetail. I’m actually going for a loose fit so it slides well and for a garden bed these joints don’t need to be pretty. I was just hoping there was a faster and easier way to do it with the router.